/*
 * Copyright (c) 2010 Peter Hayes
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.envconfig.model;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.ManyToOne;
import javax.persistence.OneToMany;
import javax.persistence.OrderBy;
import org.hibernate.envers.Audited;

/**
 *
 * @author Pete
 */
@Entity
@Audited
public class Application implements Serializable {
    @Id
    @GeneratedValue
    private int id;

    @Column(unique=true)
    private String name;
    
    private String description;

    @ManyToOne
    private Group group;
    
    @OneToMany(mappedBy = "application", cascade=CascadeType.ALL)
    @OrderBy("categoryOrder ASC")
    private List<ApplicationCategory> applicationCategories =
            new ArrayList<ApplicationCategory>();

    public Application() {
        
    }

    public Application(Group group, String name, String description) {
        this.group = group;
        this.name = name;
        this.description = description;
    }

    public int getId() {
        return id;
    }

    public String getDescription() {
        return description;
    }

    public String getName() {
        return name;
    }

    public void addCategory(Category category) {
        ApplicationCategory ac = new ApplicationCategory(this, category,
                applicationCategories.size());
        applicationCategories.add(ac);
    }

    public Set<String> keys() {
        Set<String> keys = new HashSet<String>();

        for (ApplicationCategory ac : applicationCategories) {
            keys.addAll(ac.getCategory().keys());
        }

        return keys;
    }

    public String get(String key, String def) {
        for (ApplicationCategory ac : applicationCategories) {
            String value = ac.getCategory().get(key, null);

            if (value != null) {
                return value;
            }
        }
        return def;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final Application other = (Application) obj;
        if (this.id != other.id) {
            return false;
        }
        return true;
    }

    @Override
    public int hashCode() {
        return id;
    }
}
